A squall line developed from Western Iowa into Northeast Kansas and raced eastward across Iowa, Northern Missouri, and Northern Illinois producing wind damage during the mid to late evening hours.  Ahead of the squall line, an upper level disturbance initiated scattered severe thunderstorms in a nearly moist atmosphere.  These storms were mainly prolific hail producers with some localized downbursts.

Thunderstorm Wind in CEDAR, IOWA
From 04-JUN-05 21:58:00 to 04-JUN-05 22:04:00 (CST)
Location: WEST BRANCH
Magnitude: 61 EG
Property damage: 5K
Crop damage: 5K
Reported by: TRAINED SPOTTER

Roof partially torn off house.

Heavy Rain in LINN, IOWA
From 04-JUN-05 22:00:00 to 04-JUN-05 22:25:00 (CST)
Location: CEDAR RAPIDS
Magnitude: 0.50 
Reported by: TRAINED SPOTTER

0.50 inch of rain in 25 minutes

Thunderstorm Wind in VAN BUREN, IOWA
From 04-JUN-05 20:53:00 to 04-JUN-05 21:00:00 (CST)
Location: BIRMINGHAM
Magnitude: 61 EG
Property damage: .5K
Reported by: LAW ENFORCEMENT

Hay rack blown into ditch just east of highway 1

Hail in BENTON, IOWA
From 04-JUN-05 20:54:00 to 04-JUN-05 20:55:00 (CST)
Location: VINTON
Magnitude: 0.88 
Crop damage: 4K
Reported by: EMERGENCY MANAGER

Hail in JEFFERSON, IOWA
From 04-JUN-05 21:04:00 to 04-JUN-05 21:05:00 (CST)
Location: FAIRFIELD
Magnitude: 0.75 
Reported by: GENERAL PUBLIC

Hail in LINN, IOWA
From 04-JUN-05 21:06:00 to 04-JUN-05 21:10:00 (CST)
Location: WALKER
Magnitude: 1.00 
Property damage: 3K
Reported by: TRAINED SPOTTER

Hail ranging from 0.70 to 1.00 inch.

Hail in JEFFERSON, IOWA
From 04-JUN-05 21:09:00 to 04-JUN-05 21:11:00 (CST)
Location: FAIRFIELD
Magnitude: 1.00 
Property damage: 1.5K
Crop damage: 5K
Reported by: TRAINED SPOTTER

Hail ranging from 0.70 to 1.00 inch

Thunderstorm Wind in CEDAR, IOWA
From 04-JUN-05 22:05:00 to 04-JUN-05 22:07:00 (CST)
Location: ROCHESTER
Magnitude: 52 EG
Property damage: 1K
Crop damage: 2K
Reported by: LAW ENFORCEMENT

Tree down on a building near Rochester Park

Hail in LINN, IOWA
From 04-JUN-05 22:10:00 to 04-JUN-05 22:12:00 (CST)
Location: CEDAR RAPIDS
Magnitude: 0.88 
Reported by: TRAINED SPOTTER

Also 0.75 inch hail

Thunderstorm Wind in CEDAR, IOWA
From 04-JUN-05 22:11:00 to 04-JUN-05 22:17:00 (CST)
Location: TIPTON
Magnitude: 52 EG
Property damage: 7K
Crop damage: 5K
Reported by: LAW ENFORCEMENT

Trees down in Tipton and north on highway 38

Thunderstorm Wind in LINN, IOWA
From 04-JUN-05 22:18:00 to 04-JUN-05 22:22:00 (CST)
Location: MT VERNON
Magnitude: 52 EG
Reported by: TRAINED SPOTTER

Also 0.50 inch hail

Hail in BENTON, IOWA
From 04-JUN-05 20:56:00 to 04-JUN-05 20:56:00 (CST)
Location: VAN HORNE
Magnitude: 1.00 
Property damage: 1.5K
Crop damage: 5K
Reported by: EMERGENCY MANAGER

Hail in BENTON, IOWA
From 04-JUN-05 20:06:00 to 04-JUN-05 20:07:00 (CST)
Location: VAN HORNE
Magnitude: 0.75 
Crop damage: 2K
Reported by: EMERGENCY MANAGER

18th Avenue and 70th Street

Thunderstorm Wind in LINN, IOWA
From 04-JUN-05 22:09:00 to 04-JUN-05 22:14:00 (CST)
Location: CEDAR RAPIDS
Magnitude: 55 MG
Reported by: TRAINED SPOTTER

At Hawkeye Downs race track; winds estimated at 52 knots (60 mph) on the southwest side of Cedar Rapids

Thunderstorm Wind in JONES, IOWA
From 04-JUN-05 22:23:00 to 04-JUN-05 22:26:00 (CST)
Location: MORLEY
Magnitude: 52 EG
Property damage: 2K
Crop damage: 3K
Reported by: TRAINED SPOTTER

Tree limbs down and windows damaged

Heavy Rain in LINN, IOWA
From 04-JUN-05 22:04:00 to 04-JUN-05 22:25:00 (CST)
Location: CEDAR RAPIDS
Reported by: TRAINED SPOTTER

Street flooding

Thunderstorm Wind in CEDAR, IOWA
From 04-JUN-05 21:50:00 to 04-JUN-05 21:55:00 (CST)
Location: MECHANICSVILLE
Magnitude: 61 EG
Property damage: 3K
Crop damage: 5K
Reported by: TRAINED SPOTTER

Shingles off house; 2-2.5 foot diameter trees down.

Hail in IOWA, IOWA
From 04-JUN-05 21:44:00 to 04-JUN-05 21:46:00 (CST)
Location: WILLIAMSBURG
Magnitude: 0.88 
Crop damage: 3K
Reported by: TRAINED SPOTTER

On Interstate 80 at mile marker 221

Thunderstorm Wind in KEOKUK, IOWA
From 04-JUN-05 21:45:00 to 04-JUN-05 21:45:00 (CST)
Location: KINROSS
Magnitude: 52 EG
Property damage: 1K
Crop damage: 2K
Reported by: LAW ENFORCEMENT

Tree down west of town

Thunderstorm Wind in BENTON, IOWA
From 04-JUN-05 21:39:00 to 04-JUN-05 21:42:00 (CST)
Location: SHELLSBURG
Magnitude: 52 EG
Property damage: 1K
Crop damage: 5K
Reported by: EMERGENCY MANAGER

Tree down

Hail in DELAWARE, IOWA
From 04-JUN-05 21:45:00 to 04-JUN-05 21:45:00 (CST)
Location: MANCHESTER
Magnitude: 0.75 
Crop damage: 2K
Reported by: TRAINED SPOTTER

Thunderstorm Wind in SCOTT, IOWA
From 04-JUN-05 22:44:00 to 04-JUN-05 22:48:00 (CST)
Location: DAVENPORT
Magnitude: 52 EG
Property damage: 3K
Reported by: GENERAL PUBLIC

18 inch diameter tree down with minor house damage

Thunderstorm Wind in MUSCATINE, IOWA
From 04-JUN-05 22:45:00 to 04-JUN-05 22:59:00 (CST)
Location: ATALISSA
Magnitude: 52 EG
Property damage: 5K
Reported by: LAW ENFORCEMENT

Large branches down across county

Thunderstorm Wind in SCOTT, IOWA
From 04-JUN-05 22:46:00 to 04-JUN-05 22:50:00 (CST)
Location: DAVENPORT ARPT
Magnitude: 53 MG
Reported by: AWOS,ASOS,MESONET,ETC

KDVN ASOS

Hail in DELAWARE, IOWA
From 04-JUN-05 21:30:00 to 04-JUN-05 21:33:00 (CST)
Location: MASONVILLE
Magnitude: 1.75 
Property damage: 10K
Reported by: EMERGENCY MANAGER

Thunderstorm Wind in JEFFERSON, IOWA
From 04-JUN-05 21:09:00 to 04-JUN-05 21:14:00 (CST)
Location: FAIRFIELD
Magnitude: 50 EG
Property damage: 2K
Reported by: LAW ENFORCEMENT

Large limbs down along Salina blacktop.

Thunderstorm Wind in CLINTON, IOWA
From 04-JUN-05 23:09:00 to 04-JUN-05 23:13:00 (CST)
Location: CLINTON
Magnitude: 52 EG
Property damage: 4K
Reported by: LAW ENFORCEMENT

Trees and power lines down at 7th Avenue and North 4th Streets; also on 9th Avenue

Hail in BENTON, IOWA
From 04-JUN-05 20:38:00 to 04-JUN-05 20:39:00 (CST)
Location: GARRISON
Magnitude: 0.88 
Crop damage: 4K
Reported by: EMERGENCY MANAGER

!5th Avenue and 61st Street

Hail in BENTON, IOWA
From 04-JUN-05 20:07:00 to 04-JUN-05 20:08:00 (CST)
Location: VAN HORNE
Magnitude: 0.88 
Crop damage: 4K
Reported by: EMERGENCY MANAGER

Hail in BENTON, IOWA
From 04-JUN-05 20:19:00 to 04-JUN-05 20:20:00 (CST)
Location: VAN HORNE
Magnitude: 1.00 
Property damage: 3K
Reported by: TRAINED SPOTTER

Hail in VAN BUREN, IOWA
From 04-JUN-05 20:36:00 to 04-JUN-05 20:38:00 (CST)
Location: KEOSAUQUA
Magnitude: 1.25 
Property damage: 10K
Reported by: TRAINED SPOTTER

Small branches down with estimated 43 knot (50 mph) winds.

Hail in BENTON, IOWA
From 04-JUN-05 20:01:00 to 04-JUN-05 20:03:00 (CST)
Location: KEYSTONE
Magnitude: 0.75 
Crop damage: 3K
Reported by: TRAINED SPOTTER

Thunderstorm Wind in DUBUQUE, IOWA
From 04-JUN-05 23:01:00 to 04-JUN-05 23:05:00 (CST)
Location: DUBUQUE ARPT
Magnitude: 56 MG
Reported by: AWOS,ASOS,MESONET,ETC

KDBQ ASOS

Thunderstorm Wind in BENTON, IOWA
From 04-JUN-05 21:19:00 to 04-JUN-05 21:25:00 (CST)
Location: BELLE PLAINE
Magnitude: 52 EG
Property damage: 2K
Reported by: EMERGENCY MANAGER

Small limbs down

Heavy Rain in BENTON, IOWA
From 04-JUN-05 21:25:00 to 04-JUN-05 21:25:00 (CST)
Location: BELLE PLAINE
Reported by: EMERGENCY MANAGER

Water ponding on Highway 21

Thunderstorm Wind in BENTON, IOWA
From 04-JUN-05 21:28:00 to 04-JUN-05 21:34:00 (CST)
Location: VAN HORNE
Magnitude: 52 EG
Crop damage: 4K
Reported by: TRAINED SPOTTER

19th Avenue and 70th Street

Thunderstorm Wind in KEOKUK, IOWA
From 04-JUN-05 21:29:00 to 04-JUN-05 21:33:00 (CST)
Location: SIGOURNEY
Magnitude: 52 EG
Property damage: 1K
Reported by: LAW ENFORCEMENT

Tree down

Heavy Rain in LINN, IOWA
From 04-JUN-05 22:04:00 to 04-JUN-05 22:25:00 (CST)
Location: MT VERNON
Reported by: TRAINED SPOTTER

Street flooding